:root{
  --panel-bg:#050505;
  --panel-card:#0d0d0d;
  --panel-brand:#fff133;
  --panel-text:#fff;
  --panel-muted:#b8b8b8;
  --panel-border:rgba(255,255,255,.15);
  --panel-danger:#ff7777;
  --panel-success:#b8ff8d;
  --panel-font:'Montserrat',system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--panel-bg)}
body{
  min-height:100vh;margin:0;background:var(--panel-bg);color:var(--panel-text);
  font-family:var(--panel-font);line-height:1.55;-webkit-font-smoothing:antialiased;
}
button,input{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
[hidden]{display:none!important}

.panel-shell{width:min(1120px,100%);margin:0 auto;padding:0 20px 64px}
.panel-header{
  min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-bottom:1px solid var(--panel-border);
}
.panel-logo{font-weight:800;font-size:16px}
.panel-header-actions{display:flex;align-items:center;gap:10px}
.panel-link,.panel-button{
  min-height:46px;padding:11px 18px;border:1px solid var(--panel-border);border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--panel-text);
  font-weight:700;font-size:14px;
}
.panel-button-primary{background:var(--panel-brand);border-color:var(--panel-brand);color:#050505}
.panel-button:disabled{opacity:.55;cursor:not-allowed}
.panel-main{padding-top:52px}
.panel-kicker{
  margin:0 0 10px;color:var(--panel-brand);font-size:12px;font-weight:800;
  letter-spacing:.14em;text-transform:uppercase;
}
.panel-title{max-width:780px;margin:0 0 16px;font-size:clamp(31px,7vw,58px);line-height:1.05;letter-spacing:-.035em}
.panel-lead{max-width:680px;margin:0;color:var(--panel-muted);font-size:clamp(16px,2.4vw,20px)}
.panel-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:34px}
.panel-card{background:var(--panel-card);border:1px solid var(--panel-border);border-radius:22px;padding:20px}
.panel-card h2{margin:0 0 8px;font-size:22px}
.panel-card p{margin:0;color:var(--panel-muted)}
.video-frame{
  position:relative;aspect-ratio:16/9;margin-top:18px;border-radius:16px;overflow:hidden;
  background:#000;border:1px solid var(--panel-border);display:grid;place-items:center;
}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-placeholder{padding:24px;text-align:center;color:var(--panel-muted)}
.video-placeholder strong{display:block;color:var(--panel-text);margin-bottom:6px}
.materials-list{display:grid;gap:10px;margin-top:18px}
.material-link{
  min-height:62px;padding:14px 16px;border:1px solid var(--panel-border);border-radius:14px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;font-weight:700;
}
.material-link span:last-child{color:var(--panel-brand);font-size:13px;white-space:nowrap}
.panel-status{min-height:24px;margin-top:14px;color:var(--panel-muted);font-size:14px}
.panel-status.is-error{color:var(--panel-danger)}
.panel-status.is-success{color:var(--panel-success)}

.auth-layout{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{width:min(520px,100%);background:var(--panel-card);border:1px solid var(--panel-border);border-radius:24px;padding:28px}
.auth-card h1{margin:0 0 12px;font-size:clamp(30px,8vw,46px);line-height:1.05;letter-spacing:-.03em}
.auth-card p{margin:0 0 22px;color:var(--panel-muted)}
.auth-form{display:grid;gap:12px}
.auth-label{font-weight:700;font-size:14px}
.auth-input{
  width:100%;min-height:54px;padding:14px 16px;border-radius:12px;border:1px solid var(--panel-border);
  background:#050505;color:var(--panel-text);outline:none;
}
.auth-input:focus{border-color:var(--panel-brand);box-shadow:0 0 0 3px rgba(255,241,51,.12)}
.auth-help{margin-top:18px!important;font-size:13px}
.auth-back{display:inline-flex;margin-bottom:26px;color:var(--panel-muted);font-size:14px}
.auth-secondary-link{
  display:inline-flex;margin-top:8px;color:var(--panel-brand);font-size:14px;font-weight:700;
}

.thank-you-icon{
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:var(--panel-brand);color:#050505;font-size:28px;font-weight:900;margin-bottom:20px;
}

@media (min-width:820px){
  .panel-shell{padding-left:32px;padding-right:32px}
  .panel-main{padding-top:76px}
  .panel-grid{grid-template-columns:minmax(0,1.65fr) minmax(280px,.75fr);gap:22px;margin-top:48px}
  .panel-card{padding:28px}
  .auth-card{padding:40px}
}

@media (max-width:540px){
  .panel-header{min-height:64px}
  .panel-logo{font-size:14px}
  .panel-link,.panel-button{min-height:44px;padding:10px 14px;font-size:13px}
  .panel-main{padding-top:38px}
  .panel-card{border-radius:18px;padding:16px}
  .video-frame{border-radius:12px}
  .material-link{align-items:flex-start;flex-direction:column;gap:4px}
}